Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange->svm_bo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svm_bo unref operation to avoid random "use-after-free".
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
e49fe4040a10c1cd3b215c511f658d15aa7c8be9 to < 7d43cdd22cd81a2b079e864c4321b9aba4c6af34affectede49fe4040a10c1cd3b215c511f658d15aa7c8be9 to < 50f35a907c4f9ed431fd3dbb8b871ef1cbb0718eaffectede49fe4040a10c1cd3b215c511f658d15aa7c8be9 to < c772eacbd6d0845fc922af8716bb9d29ae27b8cfaffectede49fe4040a10c1cd3b215c511f658d15aa7c8be9 to < fc0210720127cc6302e6d6f3de48f49c3fcf5659affectede49fe4040a10c1cd3b215c511f658d15aa7c8be9 to < 709c348261618da7ed89d6c303e2ceb9e453ba74affected
Linux Linux
Default version status: affected
5.14affected0 to < 5.14unaffected5.15.140 to ≤ 5.15.*unaffected6.1.64 to ≤ 6.1.*unaffected6.5.13 to ≤ 6.5.*unaffected6.6.3 to ≤ 6.6.*unaffected6.7 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34 ↗
- https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e ↗
- https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf ↗
- https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659 ↗
- https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74 ↗